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382574813 = 31411811663
BaseRepresentation
bin10110110011011…
…010000011011101
3222122212210222112
4112303122003131
51240414343223
6101543523405
712323555315
oct2663320335
9878783875
10382574813
11186a54135
12a8159565
136135013a
1438b4a445
15238c0778
hex16cda0dd

382574813 has 16 divisors (see below), whose sum is σ = 407027712. Its totient is φ = 358992000.

The previous prime is 382574779. The next prime is 382574837. The reversal of 382574813 is 318475283.

It is a cyclic number.

It is not a de Polignac number, because 382574813 - 212 = 382570717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382574713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229220 + ... + 230882.

It is an arithmetic number, because the mean of its divisors is an integer number (25439232).

Almost surely, 2382574813 is an apocalyptic number.

It is an amenable number.

382574813 is a deficient number, since it is larger than the sum of its proper divisors (24452899).

382574813 is a wasteful number, since it uses less digits than its factorization.

382574813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its digits is 161280, while the sum is 41.

The square root of 382574813 is about 19559.5197538181. The cubic root of 382574813 is about 725.9479082650.

The spelling of 382574813 in words is "three hundred eighty-two million, five hundred seventy-four thousand, eight hundred thirteen".

Divisors: 1 31 41 181 1271 1663 5611 7421 51553 68183 230051 301003 2113673 9331093 12341123 382574813